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From "Hawkins, Richard" <>
Subject RE: Black screen on connect
Date Thu, 26 Jan 2017 12:32:12 GMT
I have had this happen also, Black Screen until I used IE11.   Firefox didn’t work,  Chrome
didn’t work.  IE11  never has an issue.


From: Jorge Camara [] 
Sent: Thursday, January 26, 2017 5:35 AM
Subject: Re: Black screen on connect


Hi Mike, 


Any hint on this problem?




Jorge Camara

Analista de Suporte Sênior - Centro de Tecnologia <> 
+55 (31) 2129-0550 <tel:%2B55%20%2831%29%202129-0550> 



2017-01-23 10:09 GMT-02:00 Jorge Camara <>:



Here´s a Console error that appears. In Network-JS doesn´t show any error.













And other error in console:

-X DELETE -H "Host: remote.webaula.dc:8080" -H "User-Agent: Mozilla/5.0 (Windows NT 10.0;
WOW64; rv:50.0) Gecko/20100101 Firefox/50.0" -H "Accept: application/json, text/plain, */*"
-H "Accept-Language: pt-BR,pt;q=0.8,en-US;q=0.5,en;q=0.3" --compressed -H "Referer: http://remote.webaula.dc:8080/"
-H "Cookie: JSESSIONID=A55C9D8D9DAEEBA356F4AFBE667EC289; GUAC_AUTH="%"7B"%"22authToken"%"22"%"3A"%"224CE1E8B68C46F81CAF0BC46F26CD73E37AA8219F512AC24F1A462A7E5FB31074"%"22"%"2C"%"22username"%"22"%"3A"%"22frederico"%"22"%"2C"%"22dataSource"%"22"%"3A"%"22mysql"%"22"%"2C"%"22availableDataSources"%"22"%"3A"%"5B"%"22mysql"%"22"%"2C"%"22mysql-shared"%"22"%"5D"%"7D"
-H "Connection: keep-alive"
















Jorge Camara

Analista de Suporte Sênior - Centro de Tecnologia <> 
+55 (31) 2129-0550 <tel:%2B55%20%2831%29%202129-0550> 



2017-01-20 16:49 GMT-02:00 Mike Jumper <>:

On Fri, Jan 20, 2017 at 4:03 AM, Jorge Camara <> wrote:


And my catalina.out log was:

Exception in thread "Thread-85" java.lang.IllegalStateException: Message will not be sent
because the WebSocket session has been closed

        at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.writeMessagePart(

        at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.startMessage(

        at org.apache.tomcat.websocket.WsRemoteEndpointImplBase$TextMessageSendHandler.write(

        at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendPartialString(

        at org.apache.tomcat.websocket.WsRemoteEndpointImplBase.sendString(
[http-nio-8080-exec-6] INFO  o.a.g.tunnel.TunnelRequestService - User "jorge" disconnected
from connection "87". Duration: 5173 milliseconds


        at org.apache.tomcat.websocket.WsRemoteEndpointBasic.sendText(

        at org.apache.guacamole.websocket.GuacamoleWebSocketTunnelEndpoint$



Are there any other errors in your catalina.out?


What about in the browser's JavaScript error console?


- Mike




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